The Question That Never Got an Answer
Your channel had a hundred and forty subscribers at the time.
Under your third video, someone wrote a real question, detailed, about something they'd run into themselves and wanted your view on.
You saw it and told yourself you'd reply in the evening.
Then you forgot.
A week later you remembered, went in to reply, and found it was far too late.
That person never came back. They didn't watch the next video, and they never commented again.
They could have been your first real subscriber. A human being who gave you two minutes of their life to write, and waited to see whether you existed.
Why It's Worth Your Time
A comment isn't a passing opinion, it's an attempt at contact. Whoever writes one gave you a minute of their time, and they're watching to see whether you'll reply.
And the person who finds a reply comes back. They watch the next video, comment again, and share your content, because they now know you rather than consume you.
And this matters especially at the start, when the number of commenters is small enough that you can reply to most of them. That's a stage that won't come round again.
Prioritise
You don't have to reply to everything. Order it like this.
Questions first. Whoever asked is waiting for an answer, and leaving them without one means they won't ask again. This is the most important category, and it's exactly the one lost in the story above.
Then people who added something: an experience, a fact, a correction. They deserve explicit acknowledgement.
Then people who clearly put effort in. A long, carefully written comment deserves more than an emoji.
Then short complimentary comments. A like or a short reply is enough, and they aren't a priority.
What Makes a Reply Good
That it adds something. "Thanks" is polite and adds nothing. "Thanks, and by the way I tried the second method and it was faster" opens a conversation.
That it addresses the person rather than the audience. Use their name if it's visible, and answer their question rather than a general one.
That it's in your natural voice. Stiff formal replies make people feel they're talking to a company.
And that it's fast in the first hours. The first comments after publishing matter more than the rest, because those people are genuinely engaged and because early conversation attracts more of it.
Recurring Questions: Keep Them
When a particular question keeps coming up in your comments, you have two things at once: a reply to write now, and a ready video idea with proven demand.
Log the recurring question the moment you see it. And this is one of the best sources of ideas, as covered in: where do content ideas come from? six practical sources.
And Ask a Question in Your Reply
A reply that ends in a question continues. "What did you try?" or "which city?" opens a conversation instead of closing it.
And it helps you twice: it builds a relationship, and it teaches you things about your audience that don't show up in analytics.
And When Not to Reply
Abusive comments. They don't deserve a reply.
Endless arguments. After two replies, if the other person wants a fight rather than understanding, end the exchange without apologising.
Spam and links. Delete them without thinking.
And questions the video already answered. Point to the timestamp rather than re-explaining everything.
Bound Your Time
Replying can swallow your hours if you leave it open-ended. So bound it.
An hour after publishing: twenty minutes on the first comments.
The same evening: another twenty minutes.
After that: once a day until the momentum passes.
And don't keep comments open all day. Checking repeatedly distracts you from the actual work, and can make your mood hostage to the last comment you read.
And When the Numbers Grow
A time will come when replying to everyone is impossible. That's success, not neglect.
Then read the comments, all or most of them, and reply to a selection.
Because reading matters more than replying, since reading is what teaches you about your audience. Replying is a message to everyone else that you're present.
In Short
Set a limited, fixed amount of time. Start with the questions. Add something in every reply. And log what repeats.
And more important than all of it: read.
Comments are the only channel that tells you what your audience wants in their own words.